CN218434381U - Anti-falling device of elevator - Google Patents
Anti-falling device of elevator Download PDFInfo
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- CN218434381U CN218434381U CN202222868307.6U CN202222868307U CN218434381U CN 218434381 U CN218434381 U CN 218434381U CN 202222868307 U CN202222868307 U CN 202222868307U CN 218434381 U CN218434381 U CN 218434381U
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- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000002265 prevention Effects 0.000 abstract description 3
- 230000002146 bilateral effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a falling prevention device of elevator relates to elevator safety technical field, including elevartor shaft and car, two sets of fixed blocks of the equal symmetrical fixedly connected with in both sides both ends of car, symmetrical fixedly connected with dead lever between two sets of fixed blocks, the movable block has been cup jointed in the symmetry activity on two dead levers, the spring has been cup jointed in the activity on the dead lever of movable block top, sliding connection has the movable block between two movable blocks, fixedly connected with control mechanism between two movable blocks, fixedly connected with pinion rack on the elevartor shaft inner wall of movable block tip, the latch that the tip fixedly connected with and the pinion rack cooperation of movable block used. The utility model discloses it is rational in infrastructure, in driving the latch joint through control mechanism control movable block and advancing the pinion rack to in making the fixed elevator well of movable block, the in-process that the car continues to fall carries out certain buffering through the speed of spring to the car whereabouts, after the spring can't be continued to be compressed, the car slowly stops to fall downwards.
Description
Technical Field
The utility model relates to an elevator safety technical field, in particular to anti-falling device of elevator.
Background
An elevator is a permanent transport device serving a number of specific floors in a building, the cars of which travel in at least two rigid tracks perpendicular to the horizontal or inclined at an angle of less than 15 ° to the vertical. There are also the step type, the tread plate is installed on the track and runs continuously, so-called escalator or moving sidewalk, serve the fixed lifting equipment of the prescribed floor, the vertical lift elevator has a car, run between at least two vertical or rigid guide rails with inclination angle less than 15 °, the size and structure form of the car are convenient for passengers to come in and go out or load and unload goods, it is customary to use the elevator as the general name of vertical transportation means in the building regardless of its driving mode. At present, when an elevator breaks down and falls, the elevator moves in a free falling body mode, when the speed of the elevator exceeds the rated speed by 110%, a speed limiter acts, a steel wire rope of the speed limiter directly lifts a safety gear device on a car, wedge blocks in the safety gear directly clamp the car on a guide rail, and the car cannot continue to act.
The existing wedge blocks in the guide rail and the safety tongs are deformed due to friction along with the increase of the braking times of the elevator, the tightness of the guide rail is gradually reduced, great potential safety hazards exist, and some existing elevator anti-falling devices perform sudden rigid braking on the falling of the elevator through the brake blocks, so that the brake failure is caused by the breakage of the brake blocks easily. The present application thus provides a fall arrest device for an elevator to meet the needs.
SUMMERY OF THE UTILITY MODEL
The purpose of this application lies in providing a falling prevention device of elevator, drives the latch joint through control mechanism control movable block and advances the pinion rack to in making the fixed elevator well of movable block, the in-process that the car continues to fall carries out certain buffering to the speed of car whereabouts through the spring, after the spring can't be continued to be compressed, the car slowly stops to fall downwards.
In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a falling prevention device of elevator, includes elevartor shaft and car, two sets of fixed blocks of the equal symmetrical fixedly connected with in both sides both ends of car, it is two sets of symmetrical fixedly connected with dead lever between the fixed block, two the movable block has been cup jointed in the symmetry activity on the dead lever, the movable block top the spring has been cup jointed in the activity on the dead lever, two sliding connection has the movable block, two between the movable block fixedly connected with control mechanism between the movable block, the movable block tip fixedly connected with pinion rack on the elevartor shaft inner wall, the tip fixedly connected with of movable block with the latch that the pinion rack cooperation was used.
Preferably, control mechanism includes that symmetry fixed connection is in slide rail on the car rear side, two sliding connection has the removal seat between the slide rail, it is located to remove the seat the top symmetry fixedly connected with backup pad of slide rail one end, two it has the lead screw to rotate to peg graft between the backup pad, the lead screw is kept away from slide rail one end transmission is connected with the motor, just motor fixed connection is in remove on the seat, the control block has been cup jointed in the screw thread rotation on the lead screw, just control block sliding connection is in remove on the seat, the both ends top of control block is rotated and is connected with the connecting rod, just the other end of connecting rod is rotated and is connected the top of movable block.
Preferably, a buffer plate is fixedly connected between the bottoms of the two slide rails.
Preferably, the motor is arranged on one side of the moving seat and is fixedly connected with a speed sensor, the motor is arranged on the other side of the moving seat and is fixedly connected with a controller, and the controller is respectively electrically connected with the speed sensor and the motor.
Preferably, the movable block is located the one end bilateral symmetry fixedly connected with slider of car, seted up on the movable block with the spout that the slider cooperation was used.
Preferably, the two ends of the bottom of the control block are symmetrically and fixedly connected with clamping blocks, and the movable seat is provided with clamping grooves matched with the clamping blocks for use.
To sum up, the utility model discloses a technological effect and advantage:
the utility model discloses in, when the car falls, control mechanism control movable block removes between two movable blocks, the movable block that removes drives the latch joint and advances the pinion rack, thereby make the latch drive the movable block joint in the fixed height of elevator well in, the car continues the in-process that falls, spacing fixed movable block drives movable block extrusion spring and moves on the dead lever, thereby the resilience force through the spring carries out certain buffering to the speed of car whereabouts, can't continue to compress the back when the spring, the car slowly stops falling downwards, the car is spacing to be fixed in the elevator well through two movable blocks, and the buffering through the spring can avoid the latch to insert the impact force fracture that the back movable block received the car and falls downwards in advancing the pinion rack, thereby guarantee that the movable block is effective spacing to the car.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic perspective view of a fall protection device for an elevator;
FIG. 2 is a schematic top view of the structure of FIG. 1;
FIG. 3 is a schematic view of a connection structure of a movable block and a movable block;
FIG. 4 is a schematic view of a connection structure between the control block and the movable base.
In the figure: 1. an elevator shaft; 2. a car; 3. a fixed block; 4. a fixing rod; 5. a moving block; 6. a spring; 7. a movable block; 71. a slider; 72. a chute; 8. a control mechanism; 81. a slide rail; 811. a buffer plate; 82. a movable seat; 821. a clamping block; 822. a card slot; 83. a support plate; 84. a screw rod; 85. a motor; 851. a speed sensor; 852. a controller; 86. a control block; 87. a connecting rod; 9. a toothed plate; 10. and (4) clamping teeth.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example (b): referring to fig. 1-4 a falling protector of elevator, including elevartor shaft 1 and car 2, two sets of fixed block 3 of equal symmetrical fixedly connected with in both sides both ends of car 2, symmetrical fixedly connected with dead lever 4 between two sets of fixed block 3, the movable block 5 has been cup jointed in the symmetry activity on two fixed lever 4, spring 6 has been cup jointed in the activity on the dead lever 4 of movable block 5 top, sliding connection has movable block 7 between two movable blocks 5, fixedly connected with control mechanism 8 between two movable blocks 7, fixedly connected with pinion rack 9 on the elevartor shaft 1 inner wall of movable block 7 tip, the tip fixedly connected with of movable block 7 cooperates latch 10 of using with pinion rack 9, when car 2 falls, control mechanism 8 control movable block 7 moves between two movable blocks 5, the movable block 7 that removes drives latch 10 joint into pinion rack 9, thereby make latch 10 drive movable block 7 joint on the fixed height in elevartor shaft 1, car 2 continue the in-process that falls, spacing fixed movable block 7 drives 5 extrusion spring 6 and moves on fixed height in the elevartor shaft 1 through the buffer of the spring 6, thereby can's speed of falling through the buffer block 2, the buffer spring can's 2 after the car 2 effectively stopping the impact force, thereby can's the car 2, the car can's the car 2 internal shock absorption of the buffer of the movable block 7, thereby can's 2.
As a preferred embodiment of this embodiment, the control mechanism 8 includes slide rails 81 symmetrically and fixedly connected to the rear side of the car 2, a moving seat 82 is connected between the two slide rails 81 in a sliding manner, a support plate 83 is symmetrically and fixedly connected to the top of the moving seat 82 at one end of the slide rail 81, a lead screw 84 is rotatably inserted between the two support plates 83, one end of the lead screw 84, which is far away from the slide rail 81, is connected to a motor 85 in a transmission manner, the motor 85 is fixedly connected to the moving seat 82, a control block 86 is sleeved on the lead screw 84 in a threaded manner, the control block 86 is slidably connected to the moving seat 82, connecting rods 87 are rotatably connected to the tops of two ends of the control block 86, the other end of the connecting rod 87 is rotatably connected to the top of the moving block 7, a speed sensor 851 is fixedly connected to the moving seat 82 at one side of the motor 85, a controller 852 is fixedly connected to the moving seat 82 at the other side of the motor 85, the controller 852 is respectively electrically connected to the speed sensor 851 and the motor 85, a fixture 821 is fixedly connected to the moving seat 82, a fixture 822 used in cooperation with the fixture 821 is provided on the moving seat 82, a sensing range of the speed sensor 851 is first set, when the speed sensor 851 sensing the speed of the falling speed sensor 852, the car 2 exceeds the range, a preset value, the rotating speed sensor 852, and a signal is sent to drive the rotating signal sent to the rotating control signal of the moving block 84, and then to drive the moving block 82, and drive the moving block 84, and drive the rotating block 84, and drive the moving block 84 to drive the moving block 84, and drive the moving block 85 to drive the moving block 82 to drive the moving block 84 to drive the moving block 85 to drive the rotating block 84 to drive the moving block 82 to drive the moving block 84.
As a preferred embodiment of the present embodiment, a buffer plate 811 is fixedly connected between the bottoms of the two slide rails 81, and the buffer plate 811 is used to facilitate buffering of the movable seat 82 after falling.
As a preferred embodiment of this embodiment, the movable block 7 is located one end bilateral symmetry fixedly connected with slider 71 of car 2, offers the spout 72 that uses with slider 71 cooperation on the movable block 5, moves in spout 72 through slider 71 to be convenient for the movable block 7 carries out spacing removal between two movable blocks 5.
This practical theory of operation: firstly, the range of a sensing value of a speed sensor 851 is set, when a car 2 falls, the speed sensor 851 senses that the falling speed of the car 2 exceeds a preset range value, the speed sensor 851 sends a signal to a controller 852, the controller 852 further controls the motor 85 to start, the rotating end of the motor 85 drives the lead screw 84 to rotate, the rotating lead screw 84 drives the control block 86 to horizontally move on the movable seat 82 through the fixture block 821 and the fixture groove 822, the moving control block 86 drives the connecting rod 87 which is connected in a rotating mode to rotate obliquely, the rotating connecting rod 87 drives the movable block 7 which is connected in a rotating mode to move between the two movable blocks 5, the moving movable block 7 drives the fixture teeth 10 to be clamped into the toothed plate 9, so that the fixture teeth 10 drive the movable block 7 to be clamped at a fixed height in the elevator shaft 1, in the process that the car 2 continuously falls, the movable block 7 which is fixed at a limited position drives the movable block 5 to extrude the spring 6 to move on the fixed rod 4, the falling speed of the car 2 is buffered to a certain extent by the resilience force of the spring 6, after the spring 6 cannot be compressed, the car 2 slowly stops downwards, the car 2 is fixed in the car 1, and the car 2 is fixed in the car, and the car 2 can be prevented from being broken by the buffer block 7 from being inserted into the fixture teeth of the movable block 7, and the movable block 2 can be effectively inserted into the elevator shaft 2.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (6)
1. A fall preventing device for an elevator, comprising an elevator shaft (1) and a car (2), characterized in that: the equal symmetrical fixedly connected with two sets of fixed blocks (3) in both sides both ends of car (2), it is two sets of symmetrical fixedly connected with dead lever (4), two between fixed block (3) symmetrical activity has cup jointed movable block (5) on dead lever (4), movable block (5) top spring (6), two have been cup jointed in the activity on dead lever (4) sliding connection has movable block (7), two between movable block (5) fixedly connected with control mechanism (8) between movable block (7), movable block (7) tip fixedly connected with pinion rack (9) on elevartor shaft (1) inner wall, the tip fixedly connected with of movable block (7) with latch (10) that pinion rack (9) cooperation was used.
2. A fall arrest device for an elevator, according to claim 1, characterized in that: control mechanism (8) are including symmetry fixed connection slide rail (81) on car (2) rear side, two sliding connection has between slide rail (81) removes seat (82), it is located to remove seat (82) top symmetry fixedly connected with backup pad (83) of slide rail (81) one end, two it has lead screw (84) to rotate to peg graft between backup pad (83), lead screw (84) are kept away from slide rail (81) one end transmission is connected with motor (85), just motor (85) fixed connection be in remove on the seat (82), screw thread rotation has cup jointed control block (86) on lead screw (84), just control block (86) sliding connection be in remove on the seat (82), the both ends top of control block (86) is rotated and is connected with connecting rod (87), just the other end rotation of connecting rod (87) is connected the top of movable block (7).
3. A fall arrest device for elevators according to claim 2, characterized in that: and a buffer plate (811) is fixedly connected between the bottoms of the two slide rails (81).
4. A fall arrest device for elevators according to claim 2, characterized in that: the speed sensor (851) is fixedly connected to the moving seat (82) on one side of the motor (85), the controller (852) is fixedly connected to the moving seat (82) on the other side of the motor (85), and the controller (852) is electrically connected with the speed sensor (851) and the motor (85) respectively.
5. A fall arrest device for elevators according to claim 1, characterized in that: the movable block (7) is located sliding blocks (71) are symmetrically and fixedly connected to two sides of one end of the car (2), and sliding grooves (72) matched with the sliding blocks (71) are formed in the movable block (5).
6. A fall arrest device for elevators according to claim 2, characterized in that: the two ends of the bottom of the control block (86) are symmetrically and fixedly connected with clamping blocks (821), and a clamping groove (822) matched with the clamping blocks (821) for use is formed in the movable seat (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222868307.6U CN218434381U (en) | 2022-10-28 | 2022-10-28 | Anti-falling device of elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222868307.6U CN218434381U (en) | 2022-10-28 | 2022-10-28 | Anti-falling device of elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218434381U true CN218434381U (en) | 2023-02-03 |
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ID=85072865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222868307.6U Active CN218434381U (en) | 2022-10-28 | 2022-10-28 | Anti-falling device of elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218434381U (en) |
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2022
- 2022-10-28 CN CN202222868307.6U patent/CN218434381U/en active Active
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